Base | Representation |
---|---|
bin | 11001000010101001… |
… | …10101110101101100 |
3 | 1021200221021122100222 |
4 | 30201110311311230 |
5 | 210013131412140 |
6 | 10102011510512 |
7 | 654104141255 |
oct | 144124656554 |
9 | 37627248328 |
10 | 13444013420 |
11 | 57798822a2 |
12 | 2732458438 |
13 | 1363383836 |
14 | 917709b2c |
15 | 53a40b5b5 |
hex | 321535d6c |
13444013420 has 24 divisors (see below), whose sum is σ = 28234906224. Its totient is φ = 5377133376.
The previous prime is 13444013417. The next prime is 13444013441. The reversal of 13444013420 is 2431044431.
13444013420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 13444013420.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286754 + ... + 330326.
It is an arithmetic number, because the mean of its divisors is an integer number (1176454426).
Almost surely, 213444013420 is an apocalyptic number.
13444013420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13444013420 is an abundant number, since it is smaller than the sum of its proper divisors (14790892804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13444013420 is a wasteful number, since it uses less digits than its factorization.
13444013420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59009 (or 59007 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 26.
Adding to 13444013420 its reverse (2431044431), we get a palindrome (15875057851).
The spelling of 13444013420 in words is "thirteen billion, four hundred forty-four million, thirteen thousand, four hundred twenty".
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